SPECIAL TEST FEATURES | HYDROGEN EMBRITTLEMENT BAKING AND TESTING |
SPECIFICATION/STANDARD DATA | 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
WIDTH ACROSS FLATS | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 3, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
TEST DATA DOCUMENT | 81343-QQ-P-416 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.887 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNRF |
DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY HYDROGEN EMBRITTLEMENT |
FASTENER LENGTH | 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
HEAD STYLE | FLAT CHAMFER |
HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON |
HOLE DIAMETER | 0.044 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
HOLE QUANTITY | 1 |
HOLE TYPE | DRILLED |
INTERNAL DRIVE STYLE | HEXAGON |
MATERIAL | STEEL OVERALL |
PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CAP SOCKET HEAD |
PROPRIETARY CHARACTERISTICS | PACS |
MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.312 INCHES |